forked from bartvdbraak/blender
75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
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// Expression.cpp: implementation of the CExpression class.
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/*
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* Copyright (c) 1996-2000 Erwin Coumans <coockie@acm.org>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Erwin Coumans makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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#include "Expression.h"
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#include "ErrorValue.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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#ifdef _DEBUG
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//int gRefCountExpr;
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#endif
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CExpression::CExpression()// : m_cached_calculate(NULL)
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{
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m_refcount = 1;
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#ifdef _DEBUG
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//gRefCountExpr++;
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#endif
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}
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CExpression::~CExpression()
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{
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assert (m_refcount == 0);
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}
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// destuctor for CBrokenLinkInfo
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CBrokenLinkInfo::~CBrokenLinkInfo()
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{
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if (m_pExpr && !m_bRestored)
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m_pExpr->Release();
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}
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void CBrokenLinkInfo::RestoreLink()
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{
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assertd(m_pExpr);
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if (m_pExpr)
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{
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if (!m_bRestored){
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m_bRestored=true;
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}
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if (*m_pmemExpr)
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{
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(*m_pmemExpr)->Release();
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}
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*m_pmemExpr = m_pExpr;
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// m_pExpr=NULL;
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}
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}
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void CBrokenLinkInfo::BreakLink()
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{
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m_bRestored=false;
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m_pExpr->AddRef();
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}
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